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PowerPC: Fix bzero definition for static libc for PPC32

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This patch fixes an issue for powerpc32-fpu static build which fails
with an 'bzero' undefined reference. This patch adds bzero ifunc selector
for static builds and fixes the '__bzero_ppc' reference to default
memset symbol (since static memset build does not provide ifunc
selector).

Fixes BZ#16689.
This commit is contained in:
Adhemerval Zanella 2014-03-12 08:55:50 -05:00
parent c44496df2f
commit dd3946c615
4 changed files with 22 additions and 3 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2014-03-12 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
[BZ #16689]
* sysdeps/powerpc/powerpc32/power4/multiarch/bzero-ppc32.S
(__bzero_ppc): Call memset@local instead of __memset_ppc@local for
static build.
* sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c: Build IFUNC
selector for static builds.
2014-03-12 Siddhesh Poyarekar <siddhesh@redhat.com>
[BZ #16695]

3
NEWS
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@ -10,7 +10,8 @@ Version 2.20
* The following bugs are resolved with this release:
15347, 15804, 15894, 16447, 16532, 16545, 16574, 16600, 16609, 16610,
16611, 16613, 16623, 16632, 16639, 16670, 16674, 16677, 16683, 16695.
16611, 16613, 16623, 16632, 16639, 16670, 16674, 16677, 16683, 16689,
16695.
* The am33 port, which had not worked for several years, has been removed
from ports.

11
sysdeps/powerpc/powerpc32/power4/multiarch/bzero-ppc32.S
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@ -19,8 +19,17 @@
#include <sysdep.h>
/* memset ifunc selector is not built for static and memset@local
for shared builds makes the linker point the call to the ifunc
selector. */
#ifdef SHARED
# define MEMSET __memset_ppc
#else
# define MEMSET memset
#endif
ENTRY (__bzero_ppc)
mr r5,r4
li r4,0
b __memset_ppc@local
b MEMSET@local
END (__bzero_ppc)

2
sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c
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@ -17,7 +17,7 @@
<http://www.gnu.org/licenses/>. */
/* Define multiple versions only for definition in libc. */
#if defined SHARED && !defined NOT_IN_libc
#ifndef NOT_IN_libc
# include <string.h>
# include <strings.h>
# include "init-arch.h"